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81064cc239
We don't use that info for anything, and it generates unnecessary diffs every time we bump the minor version (and CI failures if we forget to sync some files from opt-in modules (mono, text_server_fb).
45 lines
2.7 KiB
XML
45 lines
2.7 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="AudioEffectPitchShift" inherits="AudioEffect" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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Adds a pitch-shifting audio effect to an audio bus.
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Raises or lowers the pitch of original sound.
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</brief_description>
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<description>
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Allows modulation of pitch independently of tempo. All frequencies can be increased/decreased with minimal effect on transients.
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</description>
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<tutorials>
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<link title="Audio buses">$DOCS_URL/tutorials/audio/audio_buses.html</link>
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</tutorials>
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<members>
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<member name="fft_size" type="int" setter="set_fft_size" getter="get_fft_size" enum="AudioEffectPitchShift.FFTSize" default="3">
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The size of the [url=https://en.wikipedia.org/wiki/Fast_Fourier_transform]Fast Fourier transform[/url] buffer. Higher values smooth out the effect over time, but have greater latency. The effects of this higher latency are especially noticeable on sounds that have sudden amplitude changes.
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</member>
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<member name="oversampling" type="int" setter="set_oversampling" getter="get_oversampling" default="4">
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The oversampling factor to use. Higher values result in better quality, but are more demanding on the CPU and may cause audio cracking if the CPU can't keep up.
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</member>
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<member name="pitch_scale" type="float" setter="set_pitch_scale" getter="get_pitch_scale" default="1.0">
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The pitch scale to use. [code]1.0[/code] is the default pitch and plays sounds unaltered. [member pitch_scale] can range from [code]0.0[/code] (infinitely low pitch, inaudible) to [code]16[/code] (16 times higher than the initial pitch).
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</member>
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</members>
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<constants>
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<constant name="FFT_SIZE_256" value="0" enum="FFTSize">
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Use a buffer of 256 samples for the Fast Fourier transform. Lowest latency, but least stable over time.
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</constant>
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<constant name="FFT_SIZE_512" value="1" enum="FFTSize">
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Use a buffer of 512 samples for the Fast Fourier transform. Low latency, but less stable over time.
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</constant>
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<constant name="FFT_SIZE_1024" value="2" enum="FFTSize">
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Use a buffer of 1024 samples for the Fast Fourier transform. This is a compromise between latency and stability over time.
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</constant>
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<constant name="FFT_SIZE_2048" value="3" enum="FFTSize">
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Use a buffer of 2048 samples for the Fast Fourier transform. High latency, but stable over time.
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</constant>
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<constant name="FFT_SIZE_4096" value="4" enum="FFTSize">
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Use a buffer of 4096 samples for the Fast Fourier transform. Highest latency, but most stable over time.
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</constant>
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<constant name="FFT_SIZE_MAX" value="5" enum="FFTSize">
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Represents the size of the [enum FFTSize] enum.
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</constant>
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</constants>
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</class>
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